20426868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7369}}^1$

素因数の和:7397

約数の個数: 72

約数和(自身を含む): 64384320

約数和(自身を除く): 43957452

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7369, 14738, 22107, 29476, 44214, 51583, 66321, 81059, 88428, 103166, 132642, 154749, 162118, 206332, 243177, 265284, 309498, 324236, 464247, 486354, 567413, 618996, 729531, 928494, 972708, 1134826, 1459062, 1702239, 1856988, 2269652, 2918124, 3404478, 5106717, 6808956, 10213434, 20426868]

約数ペア:

[(1, 20426868), (2, 10213434), (3, 6808956), (4, 5106717), (6, 3404478), (7, 2918124), (9, 2269652), (11, 1856988), (12, 1702239), (14, 1459062), (18, 1134826), (21, 972708), (22, 928494), (28, 729531), (33, 618996), (36, 567413), (42, 486354), (44, 464247), (63, 324236), (66, 309498), (77, 265284), (84, 243177), (99, 206332), (126, 162118), (132, 154749), (154, 132642), (198, 103166), (231, 88428), (252, 81059), (308, 66321), (396, 51583), (462, 44214), (693, 29476), (924, 22107), (1386, 14738), (2772, 7369)]